Math, asked by kchvsrAnu193, 7 months ago

(0.2)^2x-1 = 1 According to class 9

Answers

Answered by anshsrivastava2912
10

Answer:

Step-by-step explanation:

0.2^2x-1=1

(0.2^2x-1)-1=0

(0.2^2x-1)-0.2^-2=0

0.2^2x-1=0.2^-2

2x-1=-2

2x=-2+1

2x=-1

x=-1/2

PLEASE MARK ME BRAINLIEST

IT WOULD BE A GREAT FAVOR

Answered by Abhijeetanand12345
3

Answer:

1/2

Step-by-step explanation:

let x be 1/2

(0.2) ^{2x - 1} = 1  \\  (\frac{2}{10} )^{2 \times  \frac{1}{2} - 1}   = 1 \\ ( \frac{1}{5} ) ^{1 - 1}  = 1 \\ ( \frac{1}{5} ) ^{0}  = 1 \\ 1 = 1

Remember a^0=1

So (1/5)^0=1

Similar questions